/* ============================================================================
   HookReplay - Premium SaaS Design System
   Pure CSS | No Framework Dependencies
   ============================================================================ */

/* ============================================================================
   CSS CUSTOM PROPERTIES - Design Tokens
   ============================================================================ */

:root {
    /* Monochrome Design System - Black & White */
    --color-black: #000000;
    --color-white: #ffffff;

    /* Gray Scale */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-gray-950: #0a0a0a;

    /* Primary Colors - Now Black */
    --color-primary-50: var(--color-gray-50);
    --color-primary-100: var(--color-gray-100);
    --color-primary-200: var(--color-gray-200);
    --color-primary-300: var(--color-gray-300);
    --color-primary-400: var(--color-gray-400);
    --color-primary-500: var(--color-gray-500);
    --color-primary-600: var(--color-gray-800);
    --color-primary-700: var(--color-gray-900);
    --color-primary-800: var(--color-gray-950);
    --color-primary-900: var(--color-black);

    --color-primary: var(--color-black);
    --color-primary-dark: var(--color-black);
    --color-primary-light: var(--color-gray-700);

    /* Semantic Colors - Grayscale */
    --color-success: var(--color-gray-700);
    --color-success-light: var(--color-gray-500);
    --color-success-dark: var(--color-gray-900);
    --success-50: var(--color-gray-50);
    --success-100: var(--color-gray-100);
    --success-200: var(--color-gray-200);
    --success-500: var(--color-gray-500);
    --success-600: var(--color-gray-600);
    --success-700: var(--color-gray-700);

    --color-warning: var(--color-gray-600);
    --color-warning-light: var(--color-gray-400);
    --color-warning-dark: var(--color-gray-800);
    --warning-50: var(--color-gray-50);
    --warning-100: var(--color-gray-100);
    --warning-200: var(--color-gray-200);
    --warning-500: var(--color-gray-500);
    --warning-600: var(--color-gray-600);
    --warning-700: var(--color-gray-700);

    --color-danger: var(--color-gray-700);
    --color-danger-light: var(--color-gray-500);
    --color-danger-dark: var(--color-gray-900);
    --danger-50: var(--color-gray-50);
    --danger-100: var(--color-gray-100);
    --danger-200: var(--color-gray-200);
    --danger-500: var(--color-gray-500);
    --danger-600: var(--color-gray-600);
    --danger-700: var(--color-gray-700);

    --color-info: var(--color-gray-600);
    --color-info-light: var(--color-gray-400);
    --color-info-dark: var(--color-gray-800);

    /* Primary extended palette */
    --primary-50: var(--color-gray-50);
    --primary-100: var(--color-gray-100);
    --primary-200: var(--color-gray-200);
    --primary-500: var(--color-gray-700);
    --primary-600: var(--color-gray-800);
    --primary-700: var(--color-gray-900);

    /* Surface & Background Colors */
    --color-bg: var(--color-white);
    --color-bg-secondary: var(--color-gray-50);
    --color-bg-dark: var(--color-black);
    --color-surface: var(--color-white);
    --color-surface-elevated: var(--color-white);
    --color-surface-hover: var(--color-gray-50);
    --color-border: var(--color-gray-200);
    --color-border-strong: var(--color-gray-300);

    /* Text Colors */
    --color-text: var(--color-black);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-500);
    --color-text-disabled: var(--color-gray-400);

    /* Typography Scale */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;

    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Spacing Scale (8px base) */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;    /* 4px */
    --radius-base: 0.375rem; /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    /* Alias variables for compatibility */
    --spacing-1: var(--space-1);
    --spacing-2: var(--space-2);
    --spacing-3: var(--space-3);
    --spacing-4: var(--space-4);
    --spacing-5: var(--space-5);
    --spacing-6: var(--space-6);
    --spacing-8: var(--space-8);
    --bg-primary: var(--color-surface);
    --bg-secondary: var(--color-bg-secondary);
    --bg-tertiary: var(--color-gray-200);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-secondary);
    --text-tertiary: var(--color-text-muted);
    --border-color: var(--color-border);

    /* Shadows - Premium depth system */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Layout */
    --header-height: 64px;
    --max-width-sm: 640px;
    --max-width-md: 768px;
    --max-width-lg: 1024px;
    --max-width-xl: 1280px;
    --max-width-2xl: 1536px;
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: var(--line-height-normal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Subtle gradient overlay for depth */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 600px;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.05), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Selection */
::selection {
    background-color: var(--color-primary-200);
    color: var(--color-primary-900);
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--color-primary-200) 50%,
        transparent
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.header:hover::after {
    opacity: 1;
}

.nav-container {
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    color: var(--color-text);
    transition: transform var(--transition-base);
}

.logo:hover {
    color: var(--color-primary);
    transform: translateY(-1px);
}

.logo-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.user-name {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

.logout-form {
    display: inline;
}

.btn-link {
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
}

.nav-link-icon {
    font-size: 1.25rem;
    padding: var(--space-1) var(--space-2);
}

/* Plan Badges */
.plan-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.plan-badge:hover {
    opacity: 0.9;
}

.plan-badge-free {
    background: var(--color-surface);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.plan-badge-free:hover {
    border-color: var(--color-text-muted);
}

.plan-badge-pro {
    background: var(--color-black) !important;
    color: white;
    border: 1px solid var(--color-black) !important;
}

.plan-badge-pro:hover {
    background: var(--color-gray-800) !important;
    border-color: var(--color-gray-800) !important;
    color: var(--color-white) !important;
}

.plan-badge-enterprise {
    background: var(--color-black);
    color: white;
    border: 1px solid var(--color-black);
}

.plan-badge-enterprise:hover {
    background: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.trial-indicator {
    font-size: 0.625rem;
    font-weight: var(--font-weight-medium);
    padding: 2px 6px;
    background: var(--color-gray-200);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

.main-content {
    flex: 1;
    width: 100%;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    position: relative;
    z-index: 1;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-8) var(--space-6);
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    margin-top: var(--space-3);
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--color-text);
}

/* ============================================================================
   BUTTONS - Premium Interactive Components
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: translateY(1px);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    color: white;
    box-shadow: var(--shadow-sm),
                0 0 0 1px rgba(79, 70, 229, 0.1) inset;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-800));
    color: white;
    box-shadow: var(--shadow-md),
                0 0 0 1px rgba(79, 70, 229, 0.2) inset;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--color-danger-dark), #b91c1c);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--color-success-dark), #047857);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-icon {
    padding: var(--space-2);
    width: 40px;
    height: 40px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================================================
   FORMS - Modern Input Design
   ============================================================================ */

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-family: var(--font-sans);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-xs);
}

.form-input:hover {
    border-color: var(--color-border-strong);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1),
                var(--shadow-sm);
    background: white;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.form-error {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.form-hint {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    line-height: var(--line-height-snug);
}

/* Custom Checkbox */
input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================================================
   CARDS - Elevated Surface Design
   ============================================================================ */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-strong);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--color-surface), var(--color-bg-secondary));
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

/* ============================================================================
   PAGE HEADERS
   ============================================================================ */

.page-header {
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.4s ease-out;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
    letter-spacing: -0.03em;
    line-height: var(--line-height-tight);
}

.page-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.page-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
    flex-wrap: wrap;
}

/* ============================================================================
   LISTS - Clean Item Display
   ============================================================================ */

.list {
    list-style: none;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    background: var(--color-surface-hover);
    padding-left: calc(var(--space-6) + 4px);
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
    font-size: var(--font-size-base);
}

.list-item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.list-item-actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--color-text-muted);
    animation: fadeIn 0.4s ease-out;
}

.empty-state-icon {
    font-size: var(--font-size-6xl);
    margin-bottom: var(--space-4);
    opacity: 0.3;
    filter: grayscale(1);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.empty-state-description {
    max-width: 400px;
    margin: 0 auto var(--space-6);
    line-height: var(--line-height-relaxed);
}

/* ============================================================================
   BADGES & STATUS INDICATORS
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success-dark);
    border-color: rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning-dark);
    border-color: rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger-dark);
    border-color: rgba(239, 68, 68, 0.2);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info-dark);
    border-color: rgba(59, 130, 246, 0.2);
}

.badge-neutral {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

/* ============================================================================
   HTTP METHOD BADGES
   ============================================================================ */

.method-badge {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
}

.method-get {
    background: rgba(16, 185, 129, 0.1);
    color: #047857;
    border-color: rgba(16, 185, 129, 0.2);
}

.method-post {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-color: rgba(59, 130, 246, 0.2);
}

.method-put {
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.2);
}

.method-patch {
    background: rgba(168, 85, 247, 0.1);
    color: #6b21a8;
    border-color: rgba(168, 85, 247, 0.2);
}

.method-delete {
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border-color: rgba(239, 68, 68, 0.2);
}

/* ============================================================================
   CODE DISPLAY
   ============================================================================ */

.code-block {
    background: var(--color-gray-900);
    color: var(--color-gray-200);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    box-shadow: var(--shadow-inner);
    border: 1px solid var(--color-gray-800);
}

.code-block::-webkit-scrollbar {
    height: 8px;
}

.code-block::-webkit-scrollbar-track {
    background: var(--color-gray-800);
    border-radius: var(--radius-base);
}

.code-block::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
    border-radius: var(--radius-base);
}

.code-block::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

.code-inline {
    background: var(--color-bg-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-base);
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--color-primary-700);
    border: 1px solid var(--color-border);
}

.json-key { color: #a78bfa; }
.json-string { color: #34d399; }
.json-number { color: #fbbf24; }
.json-boolean { color: #f472b6; }
.json-null { color: #94a3b8; }

/* ============================================================================
   STATUS CODES
   ============================================================================ */

.status-code {
    font-family: var(--font-mono);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

.status-2xx { color: var(--color-success); }
.status-3xx { color: var(--color-info); }
.status-4xx { color: var(--color-warning); }
.status-5xx { color: var(--color-danger); }

/* ============================================================================
   TABS
   ============================================================================ */

.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.tab {
    padding: var(--space-3) var(--space-5);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.tab:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ============================================================================
   GRID SYSTEM
   ============================================================================ */

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   REQUEST DETAIL PAGE
   ============================================================================ */

.request-detail-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-6);
    max-width: 100%;
    overflow: hidden;
}

.request-detail-left {
    min-width: 0;
    overflow: hidden;
}

.code-block-scroll {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: auto;
}

.code-block-scroll::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-block-scroll::-webkit-scrollbar-track {
    background: var(--color-gray-800);
    border-radius: var(--radius-base);
}

.code-block-scroll::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
    border-radius: var(--radius-base);
}

.code-block-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

/* Pre container with header */
.pre-container {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.pre-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background: var(--color-gray-800);
    border-bottom: 1px solid var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-300);
}

.pre-header-badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    background: var(--color-gray-700);
    border-radius: var(--radius-sm);
    color: var(--color-gray-400);
}

/* Localhost warning message */
.localhost-warning {
    margin-top: var(--space-2);
    padding: var(--space-3);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* Simple pre block without container */
.code-pre {
    background: var(--color-gray-900);
    color: var(--color-gray-200);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

.header-line {
    word-break: break-all;
    padding: var(--space-1) 0;
    border-bottom: 1px solid var(--color-gray-800);
}

.header-line:last-child {
    border-bottom: none;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (max-width: 1024px) {
    .request-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Spacing */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

/* Text */
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-center { text-align: center; }
.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================================
   URL DISPLAY COMPONENT
   ============================================================================ */

.url-display {
    display: flex;
    align-items: center;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    gap: var(--space-3);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-fast);
}

.url-display:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-sm);
}

.url-display-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-secondary);
}

.url-display-text strong {
    color: var(--color-text);
}

.url-display .btn {
    flex-shrink: 0;
}

/* ============================================================================
   REQUEST LIST
   ============================================================================ */

.request-list {
    list-style: none;
}

.request-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.request-item:hover {
    background: var(--color-surface-hover);
    padding-left: calc(var(--space-5) + 4px);
}

.request-item:last-child {
    border-bottom: none;
}

.request-method {
    flex-shrink: 0;
}

.request-info {
    flex: 1;
    min-width: 0;
}

.request-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.request-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ============================================================================
   PANEL / SLIDE-OVER
   ============================================================================ */

.panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.panel-overlay.active {
    opacity: 1;
    visibility: visible;
}

.panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 640px;
    background: var(--color-surface);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.panel.active {
    transform: translateX(0);
}

.panel-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--color-surface), var(--color-bg-secondary));
}

.panel-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.panel-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
}

.panel-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */

#toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 400px;
}

.toast {
    padding: var(--space-4) var(--space-5);
    background: var(--color-black);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideInToast 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid var(--color-gray-700);
}

.toast-success {
    background: var(--color-black);
}

.toast-success::before {
    content: '✓';
    margin-right: var(--space-2);
    font-weight: bold;
}

.toast-error {
    background: var(--color-black);
}

.toast-error::before {
    content: '✕';
    margin-right: var(--space-2);
    font-weight: bold;
}

.toast-info {
    background: var(--color-black);
}

.toast-info::before {
    content: 'ℹ';
    margin-right: var(--space-2);
    font-weight: bold;
}

@keyframes slideInToast {
    from {
        opacity: 0;
        transform: translateX(100%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* ============================================================================
   LOADING STATES
   ============================================================================ */

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-indicator {
    display: none;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   WORKSPACE LAYOUT
   ============================================================================ */

.workspace-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-8);
    min-height: calc(100vh - 300px);
}

.workspace-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4) 0;
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    box-shadow: var(--shadow-sm);
}

.sidebar-section {
    padding: var(--space-2) var(--space-4);
}

.sidebar-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
    padding: 0 var(--space-3);
}

.sidebar-nav {
    list-style: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    margin: var(--space-1) var(--space-2);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.sidebar-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    padding-left: calc(var(--space-4) + 4px);
}

.sidebar-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.05));
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
    padding-left: calc(var(--space-4) + 1px);
}

.workspace-main {
    min-width: 0;
}

@media (max-width: 1024px) {
    .workspace-layout {
        grid-template-columns: 1fr;
    }

    .workspace-sidebar {
        position: static;
    }
}

/* ============================================================================
   AUTH PAGES - Modern Authentication UI
   ============================================================================ */

.auth-container {
    max-width: 460px;
    margin: var(--space-12) auto;
    animation: fadeInUp 0.5s ease-out;
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        var(--color-primary-500),
        var(--color-primary-600),
        var(--color-primary-700)
    );
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================================================
   STATS CARDS - Analytics Display
   ============================================================================ */

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-200);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.stat-change {
    font-size: var(--font-size-sm);
    margin-top: var(--space-1);
    font-weight: var(--font-weight-semibold);
}

.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* ============================================================================
   LANDING PAGE - Hero & Features
   ============================================================================ */

.hero {
    text-align: center;
    padding: var(--space-20) var(--space-6);
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
    position: relative;
}

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.05), transparent);
    border-radius: 50%;
    z-index: -1;
    animation: pulse-gradient 8s ease-in-out infinite;
}

@keyframes pulse-gradient {
    0%, 100% {
        transform: translateX(-50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translateX(-50%) scale(1.1);
        opacity: 0.8;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--space-6);
    letter-spacing: -0.04em;
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-400), #8b5cf6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    padding: var(--space-12) 0;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary-300), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Floating animation effect */
.feature-card::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08), transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    transition: all var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover::after {
    top: -50px;
    right: -50px;
    transform: scale(1.2);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.05));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-5);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(79, 70, 229, 0.1));
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.feature-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    position: relative;
    z-index: 1;
}

/* ============================================================================
   PRICING SECTION
   ============================================================================ */

.pricing {
    padding: var(--space-16) 0;
    text-align: center;
}

.pricing-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.pricing-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-12);
    font-size: var(--font-size-lg);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: left;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    border-width: 2px;
    box-shadow: var(--shadow-xl),
                0 0 0 1px var(--color-primary) inset;
    position: relative;
}

.pricing-card.featured::before {
    content: 'POPULAR';
    position: absolute;
    top: -12px;
    right: var(--space-6);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    color: white;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
}

.pricing-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.pricing-price {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.pricing-price span {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-muted);
}

.pricing-description {
    color: var(--color-text-secondary);
    margin: var(--space-4) 0;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.pricing-features {
    list-style: none;
    margin: var(--space-6) 0;
}

.pricing-features li {
    padding: var(--space-2) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-base);
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
    margin-top: var(--space-4);
}

/* ============================================================================
   VALIDATION & ERROR STATES
   ============================================================================ */

.validation-summary {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid var(--color-danger);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-6);
    color: var(--color-danger-dark);
    font-size: var(--font-size-sm);
}

.validation-summary ul {
    margin: 0;
    padding-left: var(--space-5);
}

.field-validation-error {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: block;
    font-weight: var(--font-weight-medium);
}

.input-validation-error {
    border-color: var(--color-danger) !important;
    background: rgba(239, 68, 68, 0.02);
}

.input-validation-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .nav-container {
        padding: 0 var(--space-4);
    }

    .nav-links {
        gap: var(--space-3);
    }

    .main-content {
        padding: var(--space-6) var(--space-4);
    }

    .page-title {
        font-size: var(--font-size-3xl);
    }

    .hero {
        padding: var(--space-12) var(--space-4);
    }

    .hero-description {
        font-size: var(--font-size-lg);
    }

    .card-header,
    .card-body,
    .card-footer {
        padding: var(--space-4);
    }

    .auth-card {
        padding: var(--space-6);
    }

    .feature-card {
        padding: var(--space-6);
    }

    .pricing-card {
        padding: var(--space-6);
    }

    #toast-container {
        left: var(--space-4);
        right: var(--space-4);
        bottom: var(--space-4);
    }
}

@media (max-width: 480px) {
    .page-header .flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: var(--space-4);
    }

    .page-actions,
    .hero-actions {
        width: 100%;
        flex-direction: column;
    }

    .page-actions .btn,
    .hero-actions .btn {
        width: 100%;
    }

    .nav-user {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    .header,
    .footer,
    .btn,
    .nav-links,
    #toast-container {
        display: none;
    }

    .main-content {
        max-width: 100%;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* ============================================================================
   SKELETON LOADERS
   ============================================================================ */

.skeleton {
    background: linear-gradient(90deg,
        var(--color-gray-200) 0%,
        var(--color-gray-100) 50%,
        var(--color-gray-200) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: var(--space-3);
}

.skeleton-card {
    height: 200px;
    border-radius: var(--radius-xl);
}

/* ============================================================================
   WORKSPACE CARDS - Premium Interactive Design
   ============================================================================ */

.workspace-card {
    text-decoration: none;
    position: relative;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.workspace-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600), #8b5cf6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.workspace-card:hover::before {
    transform: scaleX(1);
}

.workspace-card::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06), transparent 70%);
    border-radius: 50%;
    transition: all var(--transition-slow);
}

.workspace-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-200);
}

.workspace-card:hover::after {
    right: -50px;
}

.workspace-card .card-body {
    position: relative;
    z-index: 1;
}

/* ============================================================================
   STATS CARD ANIMATIONS
   ============================================================================ */

.stat-card {
    cursor: default;
}

.stat-value {
    animation: count-up 0.8s ease-out;
}

@keyframes count-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card:nth-child(1) .stat-value { animation-delay: 0.1s; }
.stat-card:nth-child(2) .stat-value { animation-delay: 0.2s; }
.stat-card:nth-child(3) .stat-value { animation-delay: 0.3s; }
.stat-card:nth-child(4) .stat-value { animation-delay: 0.4s; }

/* ============================================================================
   ENHANCED BUTTON RIPPLE EFFECT
   ============================================================================ */

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ============================================================================
   CODE BLOCK ENHANCEMENTS
   ============================================================================ */

.code-container {
    position: relative;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-800);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--color-gray-700);
}

.code-language {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-copy-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-gray-300);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-copy-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.code-copy-btn.copied {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--color-success);
    color: var(--color-success);
}

.code-block {
    margin: 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--color-gray-800);
    border-top: none;
}

/* JSON Syntax Highlighting Enhancement */
.json-container {
    position: relative;
}

.json-key {
    color: #a78bfa;
    font-weight: var(--font-weight-medium);
}

.json-string {
    color: #34d399;
}

.json-number {
    color: #fbbf24;
}

.json-boolean {
    color: #f472b6;
    font-weight: var(--font-weight-semibold);
}

.json-null {
    color: #94a3b8;
    font-style: italic;
}

/* ============================================================================
   ENDPOINT STATUS INDICATOR WITH PULSE
   ============================================================================ */

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
}

.status-dot.active {
    background: var(--color-success);
}

.status-dot.active::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--color-success);
    opacity: 0.3;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.status-dot.inactive {
    background: var(--color-gray-400);
}

/* ============================================================================
   REQUEST LIST ENHANCEMENTS
   ============================================================================ */

.request-item {
    position: relative;
}

.request-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.request-item:hover::before {
    transform: scaleY(1);
}

.request-item.new-item {
    animation: highlight-new 2s ease-out;
}

@keyframes highlight-new {
    0% {
        background: rgba(99, 102, 241, 0.1);
    }
    100% {
        background: transparent;
    }
}

/* ============================================================================
   GLASSMORPHISM UTILITIES
   ============================================================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================================
   FLOATING DECORATIVE ELEMENTS
   ============================================================================ */

.floating-shape {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.floating-circle {
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.03), transparent 70%);
}

.floating-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: -10%;
    animation: float 20s ease-in-out infinite;
}

.floating-2 {
    width: 300px;
    height: 300px;
    bottom: 10%;
    right: -5%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(0) translateX(20px);
    }
    75% {
        transform: translateY(20px) translateX(10px);
    }
}

/* ============================================================================
   ENHANCED TOOLTIPS
   ============================================================================ */

[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: var(--space-2) var(--space-3);
    background: var(--color-gray-900);
    color: white;
    font-size: var(--font-size-xs);
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    pointer-events: none;
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--color-gray-900);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

[data-tooltip]:hover::after {
    transform: translateX(-50%);
}

/* ============================================================================
   PROGRESS INDICATORS
   ============================================================================ */

.progress-ring {
    width: 120px;
    height: 120px;
    transform: rotate(-90deg);
}

.progress-ring-circle {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset var(--transition-slow);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--color-gray-200);
    stroke-width: 8;
}

/* ============================================================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================================================
   END OF STYLESHEET
   ============================================================================ */